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CertiGuide to Network+ 9 Chapter 0001: LAN Cabling 9 V Twisted Pair Technologies |
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Twisted Pair Background
Twisted Pair cable is the type of LAN cabling you are most likely to encounter in the real world. It been available for a number of years, and the technology has proven to be very adaptable in accommodating increased transmission speeds.
Additionally, different types of twisted pair cable support a variety of network signaling technologies, such as Ethernet and Token Ring, which will be discussed in more detail in later chapters.
The phone companies have used twisted pair cable for a great deal of time. The technology behind twisted pair cabling for computer networks is very similar to that for the telephone network.
The difference between telephone cable and modern LAN cabling is: quality of the copper, number of twists per foot, and installation care requirements.
The twisting kills self-induced crosstalk. The more twists, the more resistant to crosstalk effects.
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